/Engine/Source/Editor/BlueprintGraph/Classes/BlueprintTypePromotion.h
Given the two pin types check which pin type is higher. Given two structs it will return equal, this does NOT compare PinDefaultSubobjects
static [ETypeComparisonResult](API\Editor\BlueprintGraph\FTypePromotion\ETypeComparisonResult) GetHigherType ( const [FEdGraphPinType](API\Runtime\Engine\EdGraph\FEdGraphPinType) & A, const [FEdGraphPinType](API\Runtime\Engine\EdGraph\FEdGraphPinType) & B )